Hot repair dust removal device for molten steel tank
By setting a rotating and moving dust collector at the hot repair station of the steel tank, smoke and dust are extracted using the suction duct and the exhaust fan, and dealing with it through a bag dust collector, the problem of poor dust suppression in the existing technology is solved, and efficient Smoke treatment protects the workshop environment and workers' health.
Patent Information
- Application Number
- CN202420743314.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The dust suppression effect of the prior art in the hot repair station of the steel tank is poor, resulting in the inability to effectively deal with smoke and dust, affecting the workshop environment and the health of workers.
Design a steel water tank hot-repair dust removal device, including a rotary dust removal cover and a mobile dust removal cover, connected to the main dust removal pipe through a suction duct, and use a fan to form a negative pressure to extract smoke and dust, and handle it through a bag dust collector to ensure that the dust removal cover is hanging No obstacles are caused when transporting the steel tank.
It effectively improves dust removal efficiency, reduces workshop pollution and damage to workers' health, and ensures the smoke and dust treatment effect during the hot repair of the steel tank.
Smart Images
Figure CN222153336U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steelmaking auxiliary equipment, and more specifically, to a hot repair dust removal device for a molten steel tank. Background Art
[0002] Hot repair of steel tanks is one of the necessary processes for normal production of steelmaking process in steel enterprises. It is mainly responsible for the inspection and replacement of steel tanks, cleaning of water inlets of steel tanks, cleaning of argon-blown air bricks of steel tanks, cleaning of residual steel slag inside steel tanks, etc. When the steelmaking workshop is in normal production, basically every furnace needs to carry out hot repair of steel tanks, and the air bricks need to be cleaned in time to prepare for the production of the next furnace. In addition, the cleaning of the inside of the steel tank needs to be carried out with the help of an oxygen blowing pipe. The cleaning process will generate a lot of smoke and dust. The smoke and dust will spread inside the workshop, which will affect the health of workers and the normal operation of operators, resulting in safety hazards in the workshop.
[0003] In the prior art, fog cannons are often used to suppress dust in hot repair stations of molten steel tanks, but the dust suppression effect is poor and smoke and dust cannot be effectively treated. Therefore, it is urgent to develop and design a dust removal device for hot repair of molten steel tanks. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a steel ladle hot repair dust removal device in view of the above-mentioned deficiencies in the prior art, so as to realize dust removal at the steel ladle hot repair station and avoid affecting the workshop environment and the health of workers.
[0005] The technical solution of the utility model is as follows: a hot repair dust removal device for a molten steel tank, comprising a support, a base plate, and a main dust removal pipeline, the support being installed on one side of the bottom of the molten steel tank, a rotating dust removal hood being rotatably provided on the support, a rotating driving device for rotating the rotating dust removal hood being provided on the support, the base plate being located on one side of the mouth of the molten steel tank, a walking beam being slidably connected to the base plate, a mobile dust removal hood being provided on the walking beam, a mobile driving device for moving the mobile dust removal hood being provided on the walking beam, the rotating dust removal hood and the mobile dust removal hood being both provided with suction pipes, both suction pipes being connected to the main dust removal pipeline, a bag dust collector being provided at the other end of the main dust removal pipeline, and both suction pipes being nylon cloth ventilation hoses.
[0006] As a further improvement, the bottom of the walking beam is rotatably connected to a plurality of walking wheels, and a track is provided on the bottom plate. There are two tracks in total, and a plurality of walking wheels are rotatably installed on the tracks in a one-to-one correspondence. A rotating shaft of one of the walking wheels is connected to the output end of the mobile drive device.
[0007] Furthermore, the mobile drive device includes a mobile drive motor and a reduction box. The mobile drive motor is installed on the walking beam, and the mobile drive motor is connected to the rotating shaft of one of the walking wheels through the reduction box.
[0008] Furthermore, the rotary drive device comprises a rotary drive motor, the rotary drive motor is mounted on the pillar, a rotary shaft is provided on the rotary dust cover, the rotary shaft is rotatably connected to the pillar, and the rotary drive motor is transmission-connected to the rotary shaft.
[0009] Furthermore, an exhaust fan is provided in the main dust removal duct.
[0010] Furthermore, both ends of the bottom plate are provided with wheel stops, and rubber pads are provided on the two wheel stops.
[0011] Furthermore, butterfly valves are provided in the two air suction pipes.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] 1. The utility model is a molten steel tank hot repair dust removal device, which can process the smoke and dust generated by the molten steel tank hot repair operation by arranging dust removal covers on both sides of the molten steel tank, which can effectively improve the dust removal efficiency, reduce the pollution to the workshop environment and the damage to the health of workers.
[0015] 2. The utility model provides a dust removal device for hot repair of a molten steel tank. Two dust removal covers in the dust removal device are respectively located on one side of the bottom of the molten steel tank and one side of the mouth of the molten steel tank, and the two dust removal covers are movable. When the molten steel tank is hoisted to the hot repair station or the molten steel tank is opened, the two dust removal covers will not hinder the hoisting of the molten steel tank. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main structure of the utility model when in use;
[0017] Figure 2 It is a right side structural schematic diagram when the utility model is used;
[0018] Figure 3 It is an enlarged schematic diagram of the structure of the walking beam and the bottom plate in the utility model.
[0019] Among them: 1- molten steel tank, 2- rotating dust cover, 3- mobile dust cover, 4- pillar, 5- walking beam, 6- bottom plate, 7- suction pipe, 8- main dust removal pipe, 9- bag dust collector, 10- exhaust fan, 11- walking wheel, 12- track, 13- mobile drive motor, 14- reduction box, 15- rotating drive motor, 16- gear, 17- rubber pad, 18- rotating shaft. DETAILED DESCRIPTION
[0020] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.
[0021] See also Figure 1-3 A hot repair dust removal device for a molten steel tank comprises a support 4, a bottom plate 6, and a main dust removal pipeline 8. The support 4 is installed on one side of the bottom of the molten steel tank 1. A rotary dust removal cover 2 is rotatably provided on the support 4. A rotary driving device for rotating the rotary dust removal cover 2 is provided on the support 4. The bottom plate 6 is located on one side of the tank mouth of the molten steel tank 1. A walking beam 5 is slidably connected to the bottom plate 6. A mobile dust removal cover 3 is provided on the walking beam 5. A mobile driving device for moving the mobile dust removal cover 3 is provided on the walking beam 5. The rotary dust removal cover 2 and the mobile dust removal cover 3 are both provided with a suction pipe 7. Both suction pipes 7 are connected to the main dust removal pipeline 8. A bag dust collector 9 is provided at the other end of the main dust removal pipeline 8. Both suction pipes 7 are nylon cloth ventilation hoses. The molten steel tank 1 is lifted by a crane or other tool Transported to the hot repair station, the rotary dust hood 2 and the mobile dust hood 3 are both moved to the hot repair station, wherein the rotary dust hood 2 is located on one side of the bottom of the molten steel tank 1, and the mobile dust hood 3 is located on one side of the tank mouth of the molten steel tank 1, and the exhaust fan 10 is started to form a negative pressure in the rotary dust hood 2, the mobile dust hood 3 and the surrounding areas to achieve the effect of extracting smoke and dust, and the extracted smoke and dust enter the bag filter 9 through the main dust removal pipeline 8. After being processed by the bag filter 9, the gas is discharged through the air outlet of the bag filter 9, which can effectively avoid polluting the workshop environment and causing damage to the health of the workers; after the hot repair of the molten steel tank 1 is completed, the rotary dust hood 2 and the mobile dust hood 3 are both moved to the standby station, and will not hinder the lifting of the molten steel tank 1.
[0022] In this embodiment, the bottom of the walking beam 5 is rotatably connected to multiple walking wheels 11, and a track 12 is provided on the bottom plate 6. There are two tracks 12, and multiple walking wheels 11 are rotatably installed on the track 12 one by one. The rotating shaft of one of the walking wheels 11 is connected to the output end of the mobile drive device.
[0023] In this embodiment, the mobile drive device includes a mobile drive motor 13 and a reduction gearbox 14. The mobile drive motor 13 is installed on the walking beam 5. The mobile drive motor 13 is connected to the rotating shaft of one of the walking wheels 11 through the reduction gearbox 14. The mobile drive motor 13 provides power for the walking wheel 11 to achieve the effect of moving the mobile dust hood 3 along the bottom track 12.
[0024] In this embodiment, the rotary drive device includes a rotary drive motor 15, which is mounted on the pillar 4. A rotary shaft 18 is provided on the rotary dust cover 2. The rotary shaft 18 is rotatably connected to the pillar 4. The rotary drive motor 15 is transmission-connected to the rotary shaft 18. The rotary drive motor 15 and the rotary shaft 18 are driven by a belt.
[0025] In this embodiment, an exhaust fan 10 is provided in the main dust removal duct 8. When the exhaust fan 10 is started, negative pressure is formed in the rotating dust removal hood 2, the movable dust removal hood 3 and the surrounding area, thereby achieving the purpose of extracting smoke and dust.
[0026] In this embodiment, both ends of the base plate 6 are provided with a vehicle stopper 16, and the two vehicle stops 16 are provided with a rubber pad 17. When the mobile dust cover moves to the extreme position, it will contact the vehicle stopper 16 to prevent the running wheel 11 from exceeding the limit position. The rubber pad 17 can play a buffering role to prevent the running wheel 11 from directly colliding with the vehicle stopper 16, and can extend the service life of the running wheel 11 to a limited extent. In other embodiments, materials with a buffering effect such as bubble pads can be used.
[0027] In this embodiment, butterfly valves are provided in the two suction pipes 7. According to the amount of smoke and dust generated on both sides of the molten steel tank 1, the switch of the butterfly valve is adjusted to adjust the amount of air suction in the two suction pipes 7, thereby effectively improving the dust removal efficiency.
[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.
Claims
1. A hot repair dust removal device for a molten steel tank, characterized in that: The utility model comprises a support (4), a bottom plate (6), and a main dust removal pipeline (8). The support (4) is installed at one side of the bottom of a molten steel tank (1). A rotary dust removal hood (2) is rotatably provided on the support (4). A rotary driving device for rotating the rotary dust removal hood (2) is provided on the support (4). The bottom plate (6) is located at one side of the tank mouth of the molten steel tank (1). A walking beam (5) is slidably connected to the bottom plate (6). A mobile dust removal hood (3) is provided on the walking beam (5). A mobile driving device for moving the mobile dust removal hood (3) is provided on the walking beam (5). The rotary dust removal hood (2) and the mobile dust removal hood (3) are both provided with suction pipes (7). Both suction pipes (7) are connected to the main dust removal pipeline (8). A bag dust collector (9) is provided at the other end of the main dust removal pipeline (8). Both suction pipes (7) are nylon cloth ventilation hoses.
2. The hot repair dust removal device for a molten steel tank according to claim 1, characterized in that: The bottom of the walking beam (5) is rotatably connected to a plurality of walking wheels (11), and a track (12) is provided on the bottom plate (6). There are two tracks (12) in total, and the plurality of walking wheels (11) are rotatably mounted on the tracks (12) in a one-to-one correspondence, wherein a rotation axis of one of the walking wheels (11) is connected to an output end of the mobile drive device.
3. A molten steel tank hot repair dust removal device according to claim 2, characterized in that: The mobile drive device comprises a mobile drive motor (13) and a reduction box (14); the mobile drive motor (13) is mounted on the walking beam (5); and the mobile drive motor (13) is connected to the rotating shaft of one of the walking wheels (11) via the reduction box (14).
4. The hot repair dust removal device for a molten steel tank according to claim 1, characterized in that: The rotary drive device comprises a rotary drive motor (15), the rotary drive motor (15) is mounted on the support (4), a rotary shaft (18) is provided on the rotary dust removal cover (2), the rotary shaft (18) is rotatably connected to the support (4), and the rotary drive motor (15) is transmission-connected to the rotary shaft (18).
5. The hot repair dust removal device for a molten steel tank according to claim 1, characterized in that: An exhaust fan (10) is provided in the main dust removal pipeline (8).
6. The hot repair dust removal device for a molten steel tank according to claim 1, characterized in that: Both ends of the bottom plate (6) are provided with wheel stops (16), and rubber pads (17) are provided on the two wheel stops (16).
7. The hot repair dust removal device for a molten steel tank according to claim 1, characterized in that: The two air suction pipes (7) are both provided with butterfly valves.